Bug 189907 - Make Element.scrollIntoView properly work with nested scroll boxes and smooth behavior
Summary: Make Element.scrollIntoView properly work with nested scroll boxes and smooth...
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: Event Handling (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL: https://drafts.csswg.org/cssom-view/#...
Keywords:
Depends on: 188043
Blocks:
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Reported: 2018-09-23 21:40 PDT by Frédéric Wang (:fredw)
Modified: 2018-09-23 21:40 PDT (History)
1 user (show)

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Description Frédéric Wang (:fredw) 2018-09-23 21:40:30 PDT
Follow-up of bug 188043. This might need a bit more work so I'm moving that part out of the main bug.

Basically, the patch in bug 188043 naively follows https://drafts.csswg.org/cssom-view/#scroll-an-element-into-view but does not wait for smooth scroll of step 12 to complete, possibly resulting in wrong final positions. It's not clear we actually want to align on the current spec anyway, Gecko and Chromium use different algorithm. For details, see https://github.com/w3c/csswg-drafts/issues/3127

The WPT test for this is http://w3c-test.org/css/cssom-view/scroll-behavior-scrollintoview-nested.html